Desa GAS LOG HEATER - Manuals

Page 2 - UNVENTED NATURAL GAS LOG HEATER; Carbon Monoxide Poisoning:; WARNINGS; DANGER: Carbon monoxide

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 2 104342 1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases. 2. If you smell gas• shut off gas supply• do not try to light any appliance• do not touch any e...

Page 3 - OWNER’S MANUAL; Figure 1 - Product Identification; Standard Oak Logs; OPERATION; UNPACKING; CAUTION: Do not remove the; Do not pick up; LOCAL CODES; American National Standards Institute, Inc.; Golden Oak Logs T-Stat

OWNER’S MANUAL 3 104342 PRODUCTIDENTIFICATION Figure 1 - Product Identification Control Knob Back Log Base Assembly Piezo Ignitor Burner CrossoverLog Front Log Flame-Max ® Standard Oak Logs Flame-Max ® Golden Oak Logs Flame-Max ® Birch Logs Control Knob Piezo Ignitor One PieceLog Set One PieceLog Se...

Page 4 - Unusually Tight Construction; per

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 4 104342 PROVIDING ADEQUATEVENTILATION The following are excerpts from NationalFuel Gas Code. NFPA 54/ANS Z223.1, Sec-tion 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the threefollowing ventilation classifications...

Page 5 - DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space

OWNER’S MANUAL 5 104342 DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless ...

Page 6 - Figure 3 - Ventilation Air from Outdoors; VENTILATION AIR; Ventilation Air From Outdoors; Do not provide openings for

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 6 104342 AIR FORCOMBUSTION ANDVENTILATION Continued Figure 3 - Ventilation Air from Outdoors Figure 2 - Ventilation Air from Inside Building OutletAir VentilatedAttic OutletAir InletAir Inlet Air Ventilated Crawl Space To Crawl Space To Attic Or R...

Page 7 - INSTALLATION; CHECK GAS TYPE; Minimum Fireplace Clearance; B. Clearances from the top of the fireplace

OWNER’S MANUAL 7 104342 42" 16" NOTICE: Manual control heatersmay be used as a vented product.If so, you must always run heaterwith chimney flue damper open.If running heater with damperopen, noncombustible materialabove fireplace opening is notneeded. Go to Installing Damper Clamp Accessory...

Page 8 - If Not Using Mantel; If using a mantel, proceed to If Using; If Using Mantel; If you cannot meet these; Noncombustible; Noncombustible material OK.

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 8 104342 Minimum NoncombustibleMaterial Clearances If Not Using Mantel Note: If using a mantel, proceed to If Using Mantel. If not using a mantel, follow theinformation below. You must have noncombustible material(s)above the fireplace opening. No...

Page 9 - Figure 6 - Minimum Mantel Clearances Without Using Hood; Figure 7 - Minimum Mantel Clearances When Using Hood; MANTEL CLEARANCES; flue damper open; FLOOR CLEARANCES; A. If installing appliance on the floor level,

OWNER’S MANUAL 9 104342 INSTALLATION Continued Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Non-Combustible Material Minimum Non-Combustible Material Height Distances to Underside ofMantel Top of FireplaceOpening Underside ofMantel Shelf Mantel Shelf 12" 8" (A) 18" 8&#...

Page 10 - Make sure the heater burner; You prefer vented operation; Figure 10 - Attaching Damper Clamp

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 10 104342 Area of Various Standard Round Flues Diameter (ins.) Area (sq. ins.) 5" 20 sq. inches 6" 29 sq. inches 7" 39 sq. inches 8" 51 sq. inches INSTALLING HEATER BASEASSEMBLY WARNING: You must secure this heater to fireplace flo...

Page 11 - Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator; Installation Items Needed

OWNER’S MANUAL 11 104342 INSTALLATION Continued Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 - Attaching Base Assembly to Fireplace Floor Masonry Screw Bracket withScrew Holes Standard OakLog Chassis Golden Oak andBirch Model Chassis Masonry Screw Bracket withScrew Holes...

Page 12 - Figure 13 - Gas Connection; WARNING: A qualified service; • manual shutoff valve *; WARNING: Never connect

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 12 104342 Tee Joint PipeNipple Cap 3" Minimum SedimentTrap GasRegulator From GasMeter (5"W.C.** to10.5" W.C.Pressure) A.G.A. Design-CertifiedManual Shutoff Valve With1/8" NPT Tap* Approved Flexible GasHose (if allowed bylocal codes...

Page 13 - Figure 14 - Manual Shutoff Valve; Figure 15 - Checking Gas Joints; WARNING: Never use an open; Correct all leaks at once.; Correct all leaks at once.

OWNER’S MANUAL 13 104342 Test Pressures Equal To or Less Than1/2 PSIG 1. Close manual shutoff valve (see Fig-ure 14). 2. Pressurize supply piping system by ei-ther using compressed air or openingmain gas valve located on or near gasmeter. 3. Check all joints from gas meter tomanual shutoff valve (se...

Page 14 - For Golden Oak or Birch Models; Place lava rock around base of heater.; WARNING: Failure to position; For Vintage Oak Log Model; Add lava rock around base of heater.; INSTALLING LOGS; Figure 16 - Installing Back Log; CAUTION: After installation

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 14 104342 For Golden Oak or Birch Models It is very important to install the logs exactlyas instructed. Do not modify logs. Only uselogs supplied with heater. 1. Place one-piece log set on grate to fitas illustrated in Figure 19. Make suremiddle s...

Page 15 - LIGHTING; Figure 21 - Control Knob and Ignitor Button Location; • If fireplace has glass doors,

OWNER’S MANUAL 15 104342 PILOT OFF LO HI LIGHTING INSTRUCTIONS OPERATINGHEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, afire or explosion may result caus-ing property damage, personalinjury or loss of life. A. This appliance has a pilot which ...

Page 16 - Shutting Off Heater; WARNING: Do not operate

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 16 104342 LO HI OFF Pilot TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and turn control knob clock-wise Clockwise to the HIGH position. 2. Turn the control knob clockwise Clockwise to the PILOT position. 3. Press in control knob an...

Page 17 - Note; Figure 25 - Correct Pilot Flame Pattern; CAUTION: Do not try to adjust; Selecting the Hi setting with the

OWNER’S MANUAL 17 104342 INSPECTINGBURNERS Check pilot flame pattern and burner flamepatterns often. PILOT FLAME PATTERN Figure 25 shows a correct pilot flame pat-tern. Figure 26 shows an incorrect pilotflame pattern. ( Note : Appearance of pilot assembly may vary by model.) The incor- Figure 25 - C...

Page 18 - TROUBLESHOOTING; POSSIBLE CAUSE; All troubleshooting items are listed in

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 18 104342 TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. CAUTION: Never use a wire, needle, or similar object to cleanODS/pilot. This can damage...

Page 19 - OBSERVED PROBLEM; nance, page 23) or replace burner orifice

OWNER’S MANUAL 19 104342 OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Heater produces a whistling noise whenburner is lit Moisture/condensation noticed on windows Dark residue o...

Page 20 - IMPORTANT

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 20 104342 TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply.• Do not try to light any appliance.• Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighb...

Page 21 - Do not remove the screw. Make; Do not crimp capillary.

OWNER’S MANUAL 21 104342 OPTIONALPOSITIONING OFTHERMOSTATSENSING BULB FOR MASONRY ANDFACTORY-BUILT METALFIREPLACE If your log set cycles to pilot, but theroom temperature drops to a lowerthan ideal comfort level before the logset comes back on, you may want toreposition the thermostat sensing bulb. ...

Page 22 - SPECIFICATIONS

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 22 104342 SPECIFICATIONS Vintage Oak Vintage Oak Golden Oak and Birch 18" Variable 24" Variable 18" Variable Manually Manually Manually Controlled Controlled Controlled Btu (Variable) 16,000/27,000 16,000/31,500 16,000/30,000 Type Gas ...

Page 23 - PARTS UNDER WARRANTY; WARNING: Turn off heater; LOGS; Figure 35 - Pilot Inlet Air Hole

OWNER’S MANUAL 23 104342 Note: Use only original replacement parts. This will protect your warranty coverage forparts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product. Ifthey can’t supply original replacement part(s),call DESA International’s Technical Service...

Page 24 - ODS Pilot

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 24 104342 ILLUSTRATEDPARTSBREAKDOWN FLAME-MAX™ VINTAGEOAK LOG MODELSVYS18N AND VYS24N 4 1 2 3 12 21 10 11 21 7 21 5 6 8 9 15 14 16 19 22 18 13 19 17 20 18 20-1 20-2 23 20-1 20-2 ODS Pilot

Page 25 - PARTS LIST; KEY

OWNER’S MANUAL 25 104342 PARTS LIST VYS18NVYS24N This list contains replaceable parts used in your heater. When ordering parts, follow theinstructions listed under Replacement Parts on page 23 of this manual. KEY PART NUMBER FOR NO. VYS18N VYS24N DESCRIPTION QTY. 1 102968-01 102968-02 Back Log (#1) ...

Page 30 - ACCESSORIES; When Gas Pressure Is Too Low

UNVENTED NATURAL GAS LOG HEATER VANGUARD FLAME-MAX ® 30 104342 TECHNICALSERVICE You may have further questions about in-stallation, operation, or troubleshooting. If so, contact DESA International’s Techni-cal Service Department at 1-800-DESA LOG(1-800-337-2564). You can also visit DESA Internationa...

Page 31 - NOTES

OWNER’S MANUAL 31 104342 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...

Page 32 - KEEP THIS WARRANTY; WARRANTY INFORMATION; Model; INTERNATIONAL; NOT A UPC

LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) years from the date of firstpurchase, provided that the product has been properly installed, operated and maintained in accordance with all app...